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Ecotoxicological information

Short-term toxicity to fish

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Link to relevant study record(s)

Description of key information

A reliable study according to EPA guidelines with fathead minnow fish showed a 96hr LC50 of 680 mg/L for potassium sulphate.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
680 mg/L

Additional information

For potassium sulphate a key study showed a 96 hour LC50 of 680 mg/L in fathead minnow fish performed according to EPA guidelines. Fathead minnows fish were fed once during experiment after 48 hours exposure. Feeding may have affected the outcome of the test, but potassium sulphate is still expected to have an 96h LC50 >> 100 mg/l. Analytical monitoring was performed. A supporting but old less documented study showed a much higher LC50 in Lepomis macrochirus.